package redis;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
import redis.clients.jedis.SortingParams;

public class RedisClient {
	private Jedis jedis;//单机
	private JedisPool jedisPool;
	private ShardedJedis shardedJedis;//集群
	private ShardedJedisPool shardedJedisPool;
	
	public RedisClient(){
		initialPool();
		initialShardedPool();
		jedis = jedisPool.getResource();
		shardedJedis = shardedJedisPool.getResource();
	}

	/**
	 * 初始化单机池
	 */
	private void initialPool() {
		JedisPoolConfig config = new JedisPoolConfig();
		config.setMaxActive(20);
		config.setMaxIdle(5);
		config.setMaxWait(10001);
		
		jedisPool = new JedisPool(config, "172.16.15.111", 6379);
	}

	/**
	 * 初始化集群池
	 */
	private void initialShardedPool() {
		JedisPoolConfig config = new JedisPoolConfig();
		config.setMaxActive(20);
		config.setMaxIdle(5);
		config.setMaxWait(10001);
		
		//slave链接
		List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
		shards.add(new JedisShardInfo("172.16.15.111", 6379, "master"));
		//构造池
		shardedJedisPool = new ShardedJedisPool(config, shards);
	}
	
	public void show(){
		keyOperate();
		stringOperate();
		listOperate();
		setOperate();
		sortedSetOperate();
		hashOperate();
		jedisPool.returnResource(jedis);
		shardedJedisPool.returnResource(shardedJedis);
	}

	private void keyOperate() {
		System.out.println("=========================key==========================");
		
		System.out.println("清空库中的所有数据："+jedis.flushDB());
		
		System.out.println("判断key999键是否存在："+shardedJedis.exists("key999"));
		System.out.println("新增key001,value001键值对："+shardedJedis.set("key001", "value001"));
		System.out.println("判断key001是否存在："+shardedJedis.exists("key001"));
		
		System.out.println("新增key002,value002键值对："+shardedJedis.set("key002", "value002"));
		System.out.println("系统中所有键如下：");
		Set<String> keys = jedis.keys("*");
		Iterator<String> it = keys.iterator();
		while(it.hasNext()){
			String key = it.next();
			System.out.println(key);
		}
		//删除某个key,若key不存在，则忽略该命令。
		System.out.println("系统中删除key002："+jedis.del("key002"));
		System.out.println("判断key002是否存在："+shardedJedis.exists("key002"));
		//设置key001的过期时间
		System.out.println("设置key001的过期时间为5秒："+jedis.expire("key001", 5));
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) {
		}
		//查看某个key的剩余生存时间，单位【秒】。永久生存或不存在的都返回-1
		System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
		//持久化某个key
		System.out.println("持久化key001："+jedis.persist("key001"));
		System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
		//查看key所储存的值得类型
		System.out.println("查看key所储存的值的类型："+jedis.type("key001"));
	}

	private void stringOperate() {
		System.out.println("=======================String_1============================");
		System.out.println("清空库中所有数据："+jedis.flushDB());
		
		System.out.println("============增===============");
		jedis.set("key001", "value001");
		jedis.set("key002", "value002");
		jedis.set("key003", "value003");
		System.out.println("已新增的3个键值对如下：");
		System.out.println(jedis.get("key001"));
		System.out.println(jedis.get("key002"));
		System.out.println(jedis.get("key003"));
		
		System.out.println("==========删============");
		System.out.println("删除key003键值对："+jedis.del("key003"));
		System.out.println("获取key003键对应的值："+jedis.get("key003"));
		
		System.out.println("=============改============");
		System.out.println("直接覆盖key001原来的数据："+jedis.set("key001", "value001-update"));
		System.out.println("获取key001对应的值："+jedis.get("key001"));
		System.out.println("在key002原来值后面追加："+jedis.append("key002", "+appendString"));
		
		System.out.println("=============增，删，查（多个）=============");
		System.out.println("一次性新增key201,key202,key203,key204及其对应值："
				+ jedis.mset("key201", "value201", "key202", "value202",
						"key203", "value203", "key204", "value204"));
		System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+jedis.mget("key201","key202","key203","key204"));
		System.out.println("一次性删除key201,key202："+jedis.del("key201","key202"));
		System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+jedis.mget("key201","key202","key203","key204"));
		System.out.println();
		
		//jedis具备的功能shardedJedis中也可直接使用，下面测试一些前面没用过的方法
		System.out.println("======================String_2=========================="); 
        System.out.println("清空库中所有数据："+jedis.flushDB());
        
        System.out.println("================新增键值对时防止覆盖原先值=====================");
        System.out.println("原先key301不存在时，新增key301："+shardedJedis.setnx("key301", "value301"));
        System.out.println("原先key302不存在时，新增key302："+shardedJedis.setnx("key302", "value302"));
        System.out.println("当key302存在时，尝试新增key302："+shardedJedis.setnx("key302", "value302_new"));
        System.out.println("获取key301对应的值："+shardedJedis.get("key301"));
        System.out.println("获取key302对应的值："+shardedJedis.get("key302"));
        
        System.out.println("=============超过有效期键值对被删除=============");
        // 设置key的有效期，并存储数据 
        System.out.println("新增key303，并指定过期时间为2秒"+shardedJedis.setex("key303", 2, "key303-2second")); 
        System.out.println("获取key303对应的值："+shardedJedis.get("key303")); 
        try{ 
            Thread.sleep(3000); 
        } 
        catch (InterruptedException e){ 
        } 
        System.out.println("3秒之后，获取key303对应的值："+shardedJedis.get("key303")); 
        
        System.out.println("=============获取原值，更新为新值一步完成=============");
        System.out.println("key302原值："+shardedJedis.getSet("key302", "value302-after-getset"));
        System.out.println("key302新值："+shardedJedis.get("key302"));
        
        System.out.println("=============获取子串=============");
        System.out.println("获取key302对应值中的子串："+shardedJedis.getrange("key302", 5, 7));
	}

	private void listOperate() {
		System.out.println("===============list===================");
		System.out.println("清空库中所有数据："+jedis.flushDB());
		
		System.out.println("==========增===========");
		shardedJedis.lpush("stringlists", "vector");
		shardedJedis.lpush("stringlists", "ArrayList");
		shardedJedis.lpush("stringlists", "vector");
		shardedJedis.lpush("stringlists", "vector");
		shardedJedis.lpush("stringlists", "LinkedList");
		shardedJedis.lpush("stringlists", "MapList");
		shardedJedis.lpush("stringlists", "SerialList");
		shardedJedis.lpush("stringlists", "HashList");
		shardedJedis.lpush("numberlists", "3");
		shardedJedis.lpush("numberlists", "1");
		shardedJedis.lpush("numberlists", "5");
		shardedJedis.lpush("numberlists", "2");
		System.out.println("所有元素-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
		System.out.println("所有元素-numberlists："+shardedJedis.lrange("numberlists", 0, -1));
		
		System.out.println("===========删============");
		System.out.println("成功删除指定元素个数-stringlists："+shardedJedis.lrem("stringlists", 2, "vector"));
		System.out.println("删除指定元素之后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
		System.out.println("删除下标0-3区间之外的元素："+shardedJedis.ltrim("stringlists", 0, 3));
		System.out.println("删除指定区间之外元素后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
		System.out.println("出栈元素："+shardedJedis.lpop("stringlists"));
		System.out.println("元素出栈后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
		
		System.out.println("============改================");
		shardedJedis.lset("stringlists", 0, "hello list!");
		System.out.println("下标为0的值修改后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
		
		System.out.println("==========查===============");
		System.out.println("长度-stringlists："+shardedJedis.llen("stringlists"));
		System.out.println("长度-numberlists："+shardedJedis.llen("numberlists"));
		
		SortingParams sortingParams = new SortingParams();
		sortingParams.alpha();
		sortingParams.limit(0, 3);
		System.out.println("返回排序后的结果-stringlists："+shardedJedis.sort("stringlists", sortingParams));
		System.out.println("返回排序后的结果-numberlists："+shardedJedis.sort("numberlists"));
		System.out.println("子串-第二个开始到结束："+shardedJedis.lrange("stringlists", 1, -1));
		System.out.println("获取下标为2的元素："+shardedJedis.lindex("stringlists", 2)+"\n");
	}

	private void setOperate() {
		System.out.println("======================set=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB());
        
        System.out.println("=============增=============");
        System.out.println("向sets集合中加入元素element001："+jedis.sadd("sets", "element001")); 
        System.out.println("向sets集合中加入元素element002："+jedis.sadd("sets", "element002")); 
        System.out.println("向sets集合中加入元素element003："+jedis.sadd("sets", "element003"));
        System.out.println("向sets集合中加入元素element004："+jedis.sadd("sets", "element004"));
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets")); 
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("集合sets中删除元素element003："+jedis.srem("sets", "element003"));
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
        /*System.out.println("sets集合中任意位置的元素出栈："+jedis.spop("sets"));//注：出栈元素位置居然不定？--无实际意义
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));*/
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("判断element001是否在集合sets中："+jedis.sismember("sets", "element001"));
        System.out.println("循环查询获取sets中的每个元素：");
        Set<String> set = jedis.smembers("sets");   
        Iterator<String> it=set.iterator() ;   
        while(it.hasNext()){   
            Object obj=it.next();   
            System.out.println(obj);   
        }  
        System.out.println();
        
        System.out.println("=============集合运算=============");
        System.out.println("sets1中添加元素element001："+jedis.sadd("sets1", "element001")); 
        System.out.println("sets1中添加元素element002："+jedis.sadd("sets1", "element002")); 
        System.out.println("sets1中添加元素element003："+jedis.sadd("sets1", "element003")); 
        System.out.println("sets1中添加元素element002："+jedis.sadd("sets2", "element002")); 
        System.out.println("sets1中添加元素element003："+jedis.sadd("sets2", "element003")); 
        System.out.println("sets1中添加元素element004："+jedis.sadd("sets2", "element004"));
        System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));
        System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));
        System.out.println("sets1和sets2交集："+jedis.sinter("sets1", "sets2"));
        System.out.println("sets1和sets2并集："+jedis.sunion("sets1", "sets2"));
        System.out.println("sets1和sets2差集："+jedis.sdiff("sets1", "sets2"));//差集：set1中有，set2中没有的元素
	}

	private void sortedSetOperate() {
		System.out.println("======================zset=========================="); 
        // 清空数据 
        System.out.println(jedis.flushDB()); 
        
        System.out.println("=============增=============");
        System.out.println("zset中添加元素element001："+shardedJedis.zadd("zset", 7.0, "element001")); 
        System.out.println("zset中添加元素element002："+shardedJedis.zadd("zset", 8.0, "element002")); 
        System.out.println("zset中添加元素element003："+shardedJedis.zadd("zset", 2.0, "element003")); 
        System.out.println("zset中添加元素element004："+shardedJedis.zadd("zset", 3.0, "element004"));
        System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));//按照权重值排序
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("zset中删除元素element002："+shardedJedis.zrem("zset", "element002"));
        System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("统计zset集合中的元素中个数："+shardedJedis.zcard("zset"));
        System.out.println("统计zset集合中权重某个范围内（1.0——5.0），元素的个数："+shardedJedis.zcount("zset", 1.0, 5.0));
        System.out.println("查看zset集合中element004的权重："+shardedJedis.zscore("zset", "element004"));
        System.out.println("查看下标1到2范围内的元素值："+shardedJedis.zrange("zset", 1, 2));
	}

	private void hashOperate() {
		System.out.println("======================hash==========================");
        //清空数据 
        System.out.println(jedis.flushDB()); 
        
        System.out.println("=============增=============");
        System.out.println("hashs中添加key001和value001键值对："+shardedJedis.hset("hashs", "key001", "value001")); 
        System.out.println("hashs中添加key002和value002键值对："+shardedJedis.hset("hashs", "key002", "value002")); 
        System.out.println("hashs中添加key003和value003键值对："+shardedJedis.hset("hashs", "key003", "value003"));
        System.out.println("新增key004和4的整型键值对："+shardedJedis.hincrBy("hashs", "key004", 4L));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("hashs中删除key002键值对："+shardedJedis.hdel("hashs", "key002"));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println("key004整型键值的值增加100："+shardedJedis.hincrBy("hashs", "key004", 100L));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("判断key003是否存在："+shardedJedis.hexists("hashs", "key003"));
        System.out.println("获取key004对应的值："+shardedJedis.hget("hashs", "key004"));
        System.out.println("批量获取key001和key003对应的值："+shardedJedis.hmget("hashs", "key001", "key003")); 
        System.out.println("获取hashs中所有的key："+shardedJedis.hkeys("hashs"));
        System.out.println("获取hashs中所有的value："+shardedJedis.hvals("hashs"));
        System.out.println();
	}

	public static void main(String[] args) {
		new RedisClient().show();
	}
	
}
